Finding the Fourth Proportional to 75,842.84, 104,696.62 and 48,998.36
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Solution
The fourth proportional to 75,842.84, 104,696.62 and 48,998.36 is: 67,639.38
Step by Step Solution
- Step 1: Write the proportion equation
75,842.84 : 104,696.62 = 48,998.36 : x - Step 2: Convert to fraction form
75,842.84/104,696.62 = 48,998.36/x - Step 3: Cross multiply
75,842.84x = 104,696.62 × 48,998.36 - Step 4: Simplify right side
75,842.84x = 5,129,962,677.54 - Step 5: Solve for x
x = 5,129,962,677.54/75,842.84 - Step 6: Final answer
x = 67,639.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.